Cheapest builders to convert your basement in SA45
Range from the cheapest Basement conversion £29400 (DERI BROWN T/A D Brown Building Services based in SA44) to the dearest Basement conversion £32100 (SP Coupland Ltd based in SY25).
Comparing extension builders estimates for a Basement conversion gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
What to do - Get rates and quotes for the cost to convert a basement in SA45 by posting a job with HaMuch and we will send it to extension builders in SA45.
Estimates for common extension builder jobs in SA45;
| Job | Estimate |
| Underpinning a house | £16910 |
| Build a two storey extension | £87115 |
| Build a timber frame extension | £25410 |
| Install a swimming pool | £80410 |
| Cost to build a single storey extension | £38200 |
| Cost to build a side return extension | £30863 |
| Install an RSJ | £1610 |
| Build an outbuilding | £9410 |
| Build a mansard loft conversion | £51410 |
| Cost of a loft conversion | £28219 |
| Build a kitchen extension | £41410 |
| Build a hip to gable loft conversion | £41410 |
| Build a granny annexe | £86410 |
| Build a garden office | £9410 |
| Convert a garage | £15410 |
| Build a new garage | £17910 |
| Build a flat roof extension | £21410 |
| Build a dormer loft conversion | £41410 |
| Lay a concrete foundation | £5660 |
| Convert a bungalow loft | £28410 |
| Basement conversion cost | £30863 |
Rates for other SA45 trades
Extension Builders in SA45
| Business name | Basement conversion cost |
|---|---|
| DERI BROWN T/A D Brown Building Services , LLANDYSUL, SA44 | £29400 |
| Lippiatt Construction, Carmarthen, SA40 | £31200 |
| Norton Construction, Cardigan, Ceredigion, sa43 | £30750 |
| SP Coupland Ltd, Sir Ceredigion, SY25 | £32100 |